| Maromme to Obernburg am Main | 362.91 mi (584.05 km) |
| Maromme to Obernkirchen | 400.92 mi (645.21 km) |
| Maromme to Oberschleissheim | 485.46 mi (781.27 km) |
| Maromme to Oberstdorf | 446.57 mi (718.68 km) |
| Maromme to Obertraubling | 502.82 mi (809.21 km) |
| Maromme to Obertshausen | 349.83 mi (563.00 km) |
| Maromme to Oberursel | 339.27 mi (546.00 km) |
| Maromme to Ochsenfurt | 404.34 mi (650.73 km) |
| Maromme to Ochsenhausen | 416.78 mi (670.74 km) |
| Maromme to Ochtrup | 327.50 mi (527.05 km) |
| Maromme to Odenthal | 288.85 mi (464.87 km) |
| Maromme to Oelde | 350.98 mi (564.84 km) |
| Maromme to Oelsnitz | 498.32 mi (801.97 km) |
| Maromme to Oer-Erkenschwick | 310.57 mi (499.81 km) |
| Maromme to Oerlinghausen | 374.84 mi (603.25 km) |
